198369254 has 8 divisors (see below), whose sum is σ = 297646608. Its totient is φ = 99153720.

The previous prime is 198369229. The next prime is 198369257. The reversal of 198369254 is 452963891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 198369199 and 198369208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198369257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6362 + ... + 20909.

It is an arithmetic number, because the mean of its divisors is an integer number (37205826).

Almost surely, 2^198369254 is an apocalyptic number.

198369254 is a deficient number, since it is larger than the sum of its proper divisors (99277354).

198369254 is a wasteful number, since it uses less digits than its factorization.

198369254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30910.

The product of its digits is 466560, while the sum is 47.

The square root of 198369254 is about 14084.3620373803. The cubic root of 198369254 is about 583.2097645925.

The spelling of 198369254 in words is "one hundred ninety-eight million, three hundred sixty-nine thousand, two hundred fifty-four".